/Engine/Source/Runtime/Engine/Classes/GameFramework/CharacterMovementReplication.h
Intermediate data stream used for network serialization of Character RPC data. This is basically an array of bits that is packed/unpacked via NetSerialize into custom data structs on the sending and receiving ends.
struct FCharacterNetworkSerializationPackedBits
TBitArray< TInl...
DataBits
TInlineAllocator used withTBitArraytakes the number of 32-bit dwords, but the define is in number of bits, so convert here by dividing by 32.